Home / 22,661.16-31,237.38-18,462.12

Finding the Fourth Proportional to 22,661.16, 31,237.38 and 18,462.12

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Solution

The fourth proportional to 22,661.16, 31,237.38 and 18,462.12 is: 25,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.16 : 31,237.38 = 18,462.12 : x
  2. Step 2: Convert to fraction form
    22,661.16/31,237.38 = 18,462.12/x
  3. Step 3: Cross multiply
    22,661.16x = 31,237.38 × 18,462.12
  4. Step 4: Simplify right side
    22,661.16x = 576,708,258.05
  5. Step 5: Solve for x
    x = 576,708,258.05/22,661.16
  6. Step 6: Final answer
    x = 25,449.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.